Free HELOC Payment Calculator
Estimate monthly interest-only payments on a drawn HELOC balance and compare them with principal-and-interest payments during repayment.
Compare interest-rate scenarios
The example rates below are sensitivity tests around your input, not current offers or predictions.
What this estimate includes
Interest-only monthly payment is balance × annual interest rate ÷ 12. The repayment estimate amortizes the entered balance over the selected number of monthly payments. At zero interest, the payment is balance divided by the number of months.
The model holds the rate and balance assumptions fixed, assumes no further draws and excludes fees, insurance, taxes, minimum-payment rules and balloon payments. Actual HELOC interest may use daily balances and different day-count rules. Total repayment interest covers only the repayment phase, not earlier draw-period interest.
Why might the actual payment change?
A HELOC commonly has a variable rate. Additional borrowing, rate changes and the move into repayment can change what is due. Some agreements require a balloon payment. Check your lender's terms before budgeting.
Is this a loan offer or eligibility check?
No. This is an educational payment estimate, not a quote, approval or recommendation. A HELOC is secured by your home; failure to repay can put the home at risk.
Which balance should I enter?
Enter the amount already borrowed, or your assumed balance at the start of repayment, rather than the full unused credit limit.
Source: Consumer Financial Protection Bureau: What is a HELOC?. Method and assumptions reviewed November 2, 2026.